The TCT Blade Steel Cutting 355x66T 25.4mm is a tungsten carbide-tipped (TCT) circular saw blade designed specifically for cutting steel and other tough materials. TCT (Tungsten Carbide-Tipped) refers to the type of material used on the blade teeth. Tungsten carbide is a very hard and durable material, ideal for cutting hard metals like steel, stainless steel, and other tough materials. The TCT teeth stay sharp longer compared to standard steel blades, ensuring cleaner cuts and longer tool life. 355mm is the diameter of the blade, meaning it is 355 millimeters across. This size is typically used in larger cutting tools, such as metal cutting saws, or industrial cutting machines. 66T refers to the number of teeth on the blade. 66 teeth means the blade has a relatively high number of teeth, which is often preferred for smoother cuts, reducing the risk of burrs or rough edges when cutting steel. 25.4mm is the bore size (the inner diameter of the blade hole), indicating the size of the arbor that the blade will fit onto. In this case, the blade has a 25.4mm (1 inch) arbor, which is a common size for many cutting tools. This TCT blade is ideal for use in cutting steel, metalworking, and industrial applications, where precision and durability are key. The high tooth count ensures smoother cuts, while the carbide tips provide excellent performance and longevity when working with tough materials.